<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>运算符作业</title>
</head>
<script>
//    console.log((123+45*78)/(34+543)-9*(324-34));


//    var a = prompt('请输入温度');
//    var b = 9/5 * parseFloat(a)+32;
//    alert(b);


//    console.log(Math.pow((23+Math.pow(5,7))/45,2));

    /*var width = parseInt(prompt("请输入边长"));
    alert(3*Math.sqrt(3)/2*Math.pow(width,2));*/

    /*var a = 1000%7;
    console.log((a+6)%7);//今天星期六，加上a就是周五,说明是星期五*/

    /*var a = prompt('请输入要累加的数');
    var num = 0;
    for(var i = 0 ; i < a.length ; i++){
        num += parseInt(a.charAt(i));
    }
    alert(num);*/


</script>
<body>

</body>
</html>